1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messageboards.action;
24  
25  import com.liferay.portal.NoSuchLayoutException;
26  import com.liferay.portal.kernel.util.ParamUtil;
27  import com.liferay.portal.model.Layout;
28  import com.liferay.portal.model.LayoutConstants;
29  import com.liferay.portal.model.LayoutTypePortlet;
30  import com.liferay.portal.service.LayoutLocalServiceUtil;
31  import com.liferay.portal.util.PortalUtil;
32  import com.liferay.portal.util.PortletKeys;
33  import com.liferay.portlet.PortletURLImpl;
34  import com.liferay.portlet.messageboards.model.MBCategory;
35  import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
36  
37  import javax.portlet.PortletMode;
38  import javax.portlet.PortletRequest;
39  import javax.portlet.PortletURL;
40  import javax.portlet.WindowState;
41  
42  import javax.servlet.http.HttpServletRequest;
43  import javax.servlet.http.HttpServletResponse;
44  
45  import org.apache.struts.action.Action;
46  import org.apache.struts.action.ActionForm;
47  import org.apache.struts.action.ActionForward;
48  import org.apache.struts.action.ActionMapping;
49  
50  /**
51   * <a href="FindCategoryAction.java.html"><b><i>View Source</i></b></a>
52   *
53   * @author Brian Wing Shun Chan
54   */
55  public class FindCategoryAction extends Action {
56  
57      public ActionForward execute(
58              ActionMapping mapping, ActionForm form, HttpServletRequest request,
59              HttpServletResponse response)
60          throws Exception {
61  
62          try {
63              long plid = ParamUtil.getLong(request, "p_l_id");
64              long categoryId = ParamUtil.getLong(request, "categoryId");
65  
66              plid = getPlid(plid, categoryId);
67  
68              PortletURL portletURL = new PortletURLImpl(
69                  request, PortletKeys.MESSAGE_BOARDS, plid,
70                  PortletRequest.RENDER_PHASE);
71  
72              portletURL.setWindowState(WindowState.NORMAL);
73              portletURL.setPortletMode(PortletMode.VIEW);
74  
75              portletURL.setParameter(
76                  "struts_action", "/message_boards/view");
77              portletURL.setParameter("categoryId", String.valueOf(categoryId));
78  
79              response.sendRedirect(portletURL.toString());
80  
81              return null;
82          }
83          catch (Exception e) {
84              PortalUtil.sendError(e, request, response);
85  
86              return null;
87          }
88      }
89  
90      protected long getPlid(long plid, long categoryId) throws Exception {
91          if (plid != LayoutConstants.DEFAULT_PLID) {
92              try {
93                  Layout layout = LayoutLocalServiceUtil.getLayout(plid);
94  
95                  LayoutTypePortlet layoutTypePortlet =
96                      (LayoutTypePortlet)layout.getLayoutType();
97  
98                  if (layoutTypePortlet.hasPortletId(
99                          PortletKeys.MESSAGE_BOARDS)) {
100 
101                     return plid;
102                 }
103             }
104             catch (NoSuchLayoutException nsle) {
105             }
106         }
107 
108         MBCategory category = MBCategoryLocalServiceUtil.getCategory(
109             categoryId);
110 
111         plid = PortalUtil.getPlidFromPortletId(
112             category.getGroupId(), PortletKeys.MESSAGE_BOARDS);
113 
114         if (plid != LayoutConstants.DEFAULT_PLID) {
115             return plid;
116         }
117         else {
118             throw new NoSuchLayoutException(
119                 "No page was found with the Message Boards portlet.");
120         }
121     }
122 
123 }